include/c++/stlport/stl/_carray.h

   1 /*
   2  * Copyright (c) 2005
   3  * Francois Dumont
   4  *
   5  * This material is provided "as is", with absolutely no warranty expressed
   6  * or implied. Any use is at your own risk.
   7  *
   8  * Permission to use or copy this software for any purpose is hereby granted
   9  * without fee, provided the above notices are retained on all copies.
  10  * Permission to modify the code and to distribute modified code is granted,
  11  * provided the above notices are retained, and a notice that the code was
  12  * modified is included with the above copyright notice.
  13  *
  14  */
  15
  16 /* NOTE: This is an internal header file, included by other STL headers.
  17  *   You should not attempt to use it directly.
  18  */
  19
  20 #ifndef _STLP_CARRAY_H
  21 #define _STLP_CARRAY_H
  22
  23 /* Purpose: Mimic a pur C array with the additionnal feature of
  24  * being able to be used with type not default constructible.
  25  */
  26
  27 #ifndef _STLP_INTERNAL_CONSTRUCT_H
  28 #  include <stl/_construct.h>
  29 #endif
  30
  31 _STLP_BEGIN_NAMESPACE
  32
  33 _STLP_MOVE_TO_PRIV_NAMESPACE
  34
  35 template <class _Tp, size_t _Nb>
  36 struct _CArray {
  37   _CArray (const _Tp& __val) {
  38     for (size_t __i = 0; __i < _Nb; ++__i) {
  39       _Copy_Construct(__REINTERPRET_CAST(_Tp*, _M_data + __i * sizeof(_Tp)), __val);
  40     }
  41   }
  42
  43   ~_CArray() {
  44     _Destroy_Range(__REINTERPRET_CAST(_Tp*, _M_data + 0),
  45                    __REINTERPRET_CAST(_Tp*, _M_data + _Nb * sizeof(_Tp)));
  46   }
  47
  48   _Tp& operator [] (size_t __i) {
  49     _STLP_ASSERT(__i < _Nb)
  50     return *__REINTERPRET_CAST(_Tp*, _M_data + __i * sizeof(_Tp));
  51   }
  52
  53 private:
  54   char _M_data[sizeof(_Tp) * _Nb];
  55 };
  56
  57 _STLP_MOVE_TO_STD_NAMESPACE
  58
  59 _STLP_END_NAMESPACE
  60
  61 #endif //_STLP_CARRAY_H